For the latest information on coronavirus, or COVID-19, including service and program impacts in Chatham County, please visit the coronavirus webpage.

Water Quality Sampling

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The Division collects water samples for submission to the State Public Health Laboratory. Sampling for the presence of bacterial contamination, nitrates, pesticides or petroleum contaminants and inorganic chemical analysis is offered. Environmental Health Specialists offer consultative services to clients upon receipt of the results.

Bacteriological Analysis, Inorganic Analysis and Nitrate Analysis are required per State Law for all newly constructed wells within 30 days of the certificate of completion.  The owner or owner’s legal representative must submit a water sample application prior to the Environmental Health Specialist collecting the sample.  IMPORTANT: Prior to requesting an appointment for new well sampling, the well head must be complete, the pump installed, provided with electricity and all chlorine disinfectant pumped from the well. 

To review your water sample results online check the link listed below. Please note bacteria results are available in 7 to 10 days. Inorganic & Nitrate results 2 to 4 weeks. Contact our office for any other testing results.


Bacteria Water Sample Results

Inorganic & Nitrate Water Sample Results

If you own an existing well, please see the "Should I Have My Water Tested?" form to determine what water sample analysis is needed.  The Water Sample Application will need to be submitted along with any fees.

FEES:  Fees can be paid by check, cash, money order or credit card.

»»We do not accept any money transactions after 4:00 p.m. daily. This includes applications for permits, water samples, and any payments via cash, check, or money order.««


If someone other than the landowner or tenant submits an application for a water sample, a legal representation document must be signed by the owner and legal representative.  This document includes information for the parcel of land on which the well is located, as well as contact information for the owner and their legal representative. 

Steps to take for disinfection of wells

Calcium Hypochlorite for Well Disinfection

NC Certified Drinking Water Commercial Laboratories List

New!! North Carolina Website on Private Well Water and Your Health

*Chatham County Private Well Water Sampling Data & Contaminant Statistics

How to Select a Water Treatment System for Your Well

Questions to Ask When Purchasing a Water Treatment System












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